1005020220011 has 4 divisors (see below), whose sum is σ = 1005113956392. Its totient is φ = 1004926483632.

The previous prime is 1005020219999. The next prime is 1005020220037. The reversal of 1005020220011 is 1100220205001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1005020220011 - 2³⁰ = 1003946478187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1005020220811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46852106 + ... + 46873551.

It is an arithmetic number, because the mean of its divisors is an integer number (251278489098).

Almost surely, 2^{1005020220011} is an apocalyptic number.

1005020220011 is a deficient number, since it is larger than the sum of its proper divisors (93736381).

1005020220011 is an equidigital number, since it uses as much as digits as its factorization.

1005020220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93736380.

The product of its (nonzero) digits is 40, while the sum is 14.

Adding to 1005020220011 its reverse (1100220205001), we get a palindrome (2105240425012).

The spelling of 1005020220011 in words is "one trillion, five billion, twenty million, two hundred twenty thousand, eleven".